Heavy snowfall has canceled or delayed school in some northeastern Minnesota communities. All public, private, parochial and charter schools are closed Tuesday in Duluth. The Lake Superior School District, which includes Two Harbors and Silver Bay, along with schools in Proctor, Hermantown and the Cook County school district are also closed.

The National Weather Service says more than a foot of snow has accumulated in Duluth and Two Harbors. Forecasters are expecting another 1 to 3 inches of snow through Tuesday afternoon when another round of heavy snow is expected to move into the region. Snow accumulations may exceed 20 inches from Grand Rapids to Duluth.

The weather service has issued a winter storm warning for the region through late Wednesday.

Snow showers passed through the heart of the Twin Cities area Monday afternoon, and more bitter cold temperatures are on the way.

The snow slowed traffic Monday, and a deadly crash was reported in St. Cloud.

According to the Minnesota State Patrol, the crash occurred on westbound Interstate 94 near Highway 23. At this point, it's unclear if slippery road conditions were a factor in the crash. Westbound I-94 was closed down in the area following the crash.

A semi jackknifed on I-94 near Evansville. The State Patrol urged drivers to slow down.

Two other fatalities were reported across Minnesota Monday.

According to the Minnesota State Patrol, 85-year old Donavan Tesch of Clinton was killed in Big Stone County during a rollover on wet roads just after 1 p.m.

In another crash in Aitkin County, 82-year-old Vera Hunt of Deerwood was killed in a broadside crash on icy roads around 7 p.m., the State Patrol reported.

Bitter cold temperatures will move in Thursday, with a high of 14 degrees expected and a low of zero. KSTP.com Meteorologist Ken Barlow says it will be even colder Friday and Saturday with highs in the single digits and lows below zero.